// This is a generated file, modify: generate/templates/templates/class_content.cc

#include <nan.h>
#include <string.h>

extern "C" {
  #include <git2.h>
 }

#include "../include/nodegit.h"
#include "../include/lock_master.h"
#include "../include/functions/copy.h"
#include "../include/blame.h"
#include "nodegit_wrapper.cc"

  #include "../include/repository.h"
  #include "../include/blame_options.h"
  #include "../include/blame_hunk.h"
 
#include <iostream>

using namespace std;
using namespace v8;
using namespace node;

  GitBlame::~GitBlame() {
    // this will cause an error if you have a non-self-freeing object that also needs
    // to save values. Since the object that will eventually free the object has no
    // way of knowing to free these values.
                          }

  void GitBlame::InitializeComponent(v8::Local<v8::Object> target, nodegit::Context *nodegitContext) {
    Nan::HandleScope scope;

    v8::Local<v8::External> nodegitExternal = Nan::New<v8::External>(nodegitContext);
    v8::Local<FunctionTemplate> tpl = Nan::New<FunctionTemplate>(JSNewFunction, nodegitExternal);

    tpl->InstanceTemplate()->SetInternalFieldCount(1);
    tpl->SetClassName(Nan::New("Blame").ToLocalChecked());

          Nan::SetPrototypeMethod(tpl, "buffer", Buffer, nodegitExternal);
             Nan::SetMethod(tpl, "file", File, nodegitExternal);
            Nan::SetPrototypeMethod(tpl, "getHunkByIndex", GetHunkByindex, nodegitExternal);
            Nan::SetPrototypeMethod(tpl, "getHunkByLine", GetHunkByline, nodegitExternal);
            Nan::SetPrototypeMethod(tpl, "getHunkCount", GetHunkCount, nodegitExternal);
    
    InitializeTemplate(tpl);

    v8::Local<Function> constructor_template = Nan::GetFunction(tpl).ToLocalChecked();
    nodegitContext->SaveToPersistent("GitBlame::Template", constructor_template);
    Nan::Set(target, Nan::New("Blame").ToLocalChecked(), constructor_template);
  }

 
/*
    * @param String buffer
   * @param Number buffer_len
    * @param Blame callback
   */
NAN_METHOD(GitBlame::Buffer) {

  if (info.Length() == 0 || !info[0]->IsString()) {
    return Nan::ThrowError("String buffer is required.");
  }

  if (info.Length() == 1 || !info[1]->IsNumber()) {
    return Nan::ThrowError("Number buffer_len is required.");
  }

  if (info.Length() == 2 || !info[2]->IsFunction()) {
    return Nan::ThrowError("Callback is required and must be a Function.");
  }

  BufferBaton* baton = new BufferBaton();

  baton->error_code = GIT_OK;
  baton->error = NULL;

        baton->reference = Nan::ObjectWrap::Unwrap<GitBlame>(info.This())->GetValue();
// start convert_from_v8 block
  const char * from_buffer = NULL;

  Nan::Utf8String buffer(Nan::To<v8::String>(info[0]).ToLocalChecked());
  // malloc with one extra byte so we can add the terminating null character C-strings expect:
  from_buffer = (const char *) malloc(buffer.length() + 1);
  // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
  // the middle of strings are valid coming from nodejs):
  memcpy((void *)from_buffer, *buffer, buffer.length());
  // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
  // used in the nodejs binding generation:
  memset((void *)(((char *)from_buffer) + buffer.length()), 0, 1);
// end convert_from_v8 block
          baton->buffer = from_buffer;
// start convert_from_v8 block
  size_t from_buffer_len;
      from_buffer_len = (size_t)   info[1].As<v8::Number>()->Value();
// end convert_from_v8 block
          baton->buffer_len = from_buffer_len;

  Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[2]));
  BufferWorker *worker = new BufferWorker(baton, callback);

        worker->Reference<GitBlame>("reference", info.This());
           worker->Reference("buffer", info[0]);
            worker->Reference("buffer_len", info[1]);
 
  nodegit::Context *nodegitContext = reinterpret_cast<nodegit::Context *>(info.Data().As<External>()->Value());
  nodegitContext->QueueWorker(worker);
  return;
}

nodegit::LockMaster GitBlame::BufferWorker::AcquireLocks() {
  nodegit::LockMaster lockMaster(
    /*asyncAction: */true
          ,baton->reference
          ,baton->buffer
  );

  return lockMaster;
}

void GitBlame::BufferWorker::Execute() {
  git_error_clear();

    int result = git_blame_buffer(
&baton->out,baton->reference,baton->buffer,baton->buffer_len  );

      baton->error_code = result;

      if (result != GIT_OK && git_error_last() != NULL) {
        baton->error = git_error_dup(git_error_last());
      }

}

void GitBlame::BufferWorker::HandleErrorCallback() {
  if (!GetIsCancelled()) {
    v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error(ErrorMessage())).ToLocalChecked();
    Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Blame.buffer").ToLocalChecked());
    v8::Local<v8::Value> argv[1] = {
      err
    };
    callback->Call(1, argv, async_resource);
  }

  if (baton->error) {
    if (baton->error->message) {
      free((void *)baton->error->message);
    }

    free((void *)baton->error);
  }

      free(baton->out);

  delete baton;
}

void GitBlame::BufferWorker::HandleOKCallback() {
    if (baton->error_code == GIT_OK) {
    v8::Local<v8::Value> v8ConversionSlot;
// start convert_to_v8 block
    if (baton->out != NULL) {
      v8::Local<v8::Array> owners = Nan::New<Array>(0);
            Nan::Set(owners, Nan::New<v8::Number>(owners->Length()), Nan::To<v8::Object>(this->GetFromPersistent("reference")).ToLocalChecked());
             v8ConversionSlot = GitBlame::New(
        baton->out,
        true
          , owners
       );
   }
  else {
    v8ConversionSlot = Nan::Null();
  }
  // end convert_to_v8 block
      v8::Local<v8::Value> result = v8ConversionSlot;

    v8::Local<v8::Value> argv[2] = {
      Nan::Null(),
      result
    };
    callback->Call(2, argv, async_resource);
  } else {
    if (baton->error) {
      v8::Local<v8::Object> err;
      if (baton->error->message) {
        err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
      } else {
        err = Nan::To<v8::Object>(Nan::Error("Method buffer has thrown an error.")).ToLocalChecked();
      }
      Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
      Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Blame.buffer").ToLocalChecked());
      v8::Local<v8::Value> argv[1] = {
        err
      };
      callback->Call(1, argv, async_resource);
      if (baton->error->message)
        free((void *)baton->error->message);
      free((void *)baton->error);
    } else if (baton->error_code < 0) {
      std::queue< v8::Local<v8::Value> > workerArguments;
              workerArguments.push(GetFromPersistent("buffer"));
              workerArguments.push(GetFromPersistent("buffer_len"));
      bool callbackFired = false;
      while(!workerArguments.empty()) {
        v8::Local<v8::Value> node = workerArguments.front();
        workerArguments.pop();

        if (
          !node->IsObject()
          || node->IsArray()
          || node->IsBooleanObject()
          || node->IsDate()
          || node->IsFunction()
          || node->IsNumberObject()
          || node->IsRegExp()
          || node->IsStringObject()
        ) {
          continue;
        }

        v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
        v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());

        if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
          v8::Local<v8::Value> argv[1] = {
            Nan::To<v8::Object>(checkValue).ToLocalChecked()
          };
          callback->Call(1, argv, async_resource);
          callbackFired = true;
          break;
        }

        v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
        for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
          v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
          v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
          if (!nodeToQueue->IsUndefined()) {
            workerArguments.push(nodeToQueue);
          }
        }
      }

      if (!callbackFired) {
        v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method buffer has thrown an error.")).ToLocalChecked();
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Blame.buffer").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
      }
    } else {
      callback->Call(0, NULL, async_resource);
    }

        free(baton->out);
  }


  delete baton;
}

  
/*
  * @param Repository repo
   * @param String path
   * @param BlameOptions options
    * @param Blame callback
   */
NAN_METHOD(GitBlame::File) {

  if (info.Length() == 0 || !info[0]->IsObject()) {
    return Nan::ThrowError("Repository repo is required.");
  }

  if (info.Length() == 1 || !info[1]->IsString()) {
    return Nan::ThrowError("String path is required.");
  }

  if (info.Length() == 3 || !info[3]->IsFunction()) {
    return Nan::ThrowError("Callback is required and must be a Function.");
  }

  FileBaton* baton = new FileBaton();

  baton->error_code = GIT_OK;
  baton->error = NULL;

// start convert_from_v8 block
  git_repository * from_repo = NULL;
from_repo = Nan::ObjectWrap::Unwrap<GitRepository>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
// end convert_from_v8 block
          baton->repo = from_repo;
// start convert_from_v8 block
  const char * from_path = NULL;

  Nan::Utf8String path(Nan::To<v8::String>(info[1]).ToLocalChecked());
  // malloc with one extra byte so we can add the terminating null character C-strings expect:
  from_path = (const char *) malloc(path.length() + 1);
  // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
  // the middle of strings are valid coming from nodejs):
  memcpy((void *)from_path, *path, path.length());
  // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
  // used in the nodejs binding generation:
  memset((void *)(((char *)from_path) + path.length()), 0, 1);
// end convert_from_v8 block
          baton->path = from_path;
// start convert_from_v8 block
  git_blame_options * from_options = NULL;
    if (info[2]->IsObject()) {
from_options = Nan::ObjectWrap::Unwrap<GitBlameOptions>(Nan::To<v8::Object>(info[2]).ToLocalChecked())->GetValue();
  }
  else {
    from_options = 0;
  }
// end convert_from_v8 block
          baton->options = from_options;

  Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[3]));
  FileWorker *worker = new FileWorker(baton, callback);

             worker->Reference<GitRepository>("repo", info[0]);
             worker->Reference("path", info[1]);
              worker->Reference<GitBlameOptions>("options", info[2]);
  
  nodegit::Context *nodegitContext = reinterpret_cast<nodegit::Context *>(info.Data().As<External>()->Value());
  nodegitContext->QueueWorker(worker);
  return;
}

nodegit::LockMaster GitBlame::FileWorker::AcquireLocks() {
  nodegit::LockMaster lockMaster(
    /*asyncAction: */true
          ,baton->repo
          ,baton->path
          ,baton->options
  );

  return lockMaster;
}

void GitBlame::FileWorker::Execute() {
  git_error_clear();

    int result = git_blame_file(
&baton->out,baton->repo,baton->path,baton->options  );

      baton->error_code = result;

      if (result != GIT_OK && git_error_last() != NULL) {
        baton->error = git_error_dup(git_error_last());
      }

}

void GitBlame::FileWorker::HandleErrorCallback() {
  if (!GetIsCancelled()) {
    v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error(ErrorMessage())).ToLocalChecked();
    Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Blame.file").ToLocalChecked());
    v8::Local<v8::Value> argv[1] = {
      err
    };
    callback->Call(1, argv, async_resource);
  }

  if (baton->error) {
    if (baton->error->message) {
      free((void *)baton->error->message);
    }

    free((void *)baton->error);
  }

      free(baton->out);

  delete baton;
}

void GitBlame::FileWorker::HandleOKCallback() {
    if (baton->error_code == GIT_OK) {
    v8::Local<v8::Value> v8ConversionSlot;
// start convert_to_v8 block
    if (baton->out != NULL) {
      v8::Local<v8::Array> owners = Nan::New<Array>(0);
            Nan::Set(owners, Nan::New<v8::Number>(owners->Length()), Nan::To<v8::Object>(this->GetFromPersistent("repo")).ToLocalChecked());
             v8ConversionSlot = GitBlame::New(
        baton->out,
        true
          , owners
       );
   }
  else {
    v8ConversionSlot = Nan::Null();
  }
  // end convert_to_v8 block
      v8::Local<v8::Value> result = v8ConversionSlot;

    v8::Local<v8::Value> argv[2] = {
      Nan::Null(),
      result
    };
    callback->Call(2, argv, async_resource);
  } else {
    if (baton->error) {
      v8::Local<v8::Object> err;
      if (baton->error->message) {
        err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
      } else {
        err = Nan::To<v8::Object>(Nan::Error("Method file has thrown an error.")).ToLocalChecked();
      }
      Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
      Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Blame.file").ToLocalChecked());
      v8::Local<v8::Value> argv[1] = {
        err
      };
      callback->Call(1, argv, async_resource);
      if (baton->error->message)
        free((void *)baton->error->message);
      free((void *)baton->error);
    } else if (baton->error_code < 0) {
      std::queue< v8::Local<v8::Value> > workerArguments;
              workerArguments.push(GetFromPersistent("repo"));
              workerArguments.push(GetFromPersistent("path"));
              workerArguments.push(GetFromPersistent("options"));
      bool callbackFired = false;
      while(!workerArguments.empty()) {
        v8::Local<v8::Value> node = workerArguments.front();
        workerArguments.pop();

        if (
          !node->IsObject()
          || node->IsArray()
          || node->IsBooleanObject()
          || node->IsDate()
          || node->IsFunction()
          || node->IsNumberObject()
          || node->IsRegExp()
          || node->IsStringObject()
        ) {
          continue;
        }

        v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
        v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());

        if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
          v8::Local<v8::Value> argv[1] = {
            Nan::To<v8::Object>(checkValue).ToLocalChecked()
          };
          callback->Call(1, argv, async_resource);
          callbackFired = true;
          break;
        }

        v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
        for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
          v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
          v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
          if (!nodeToQueue->IsUndefined()) {
            workerArguments.push(nodeToQueue);
          }
        }
      }

      if (!callbackFired) {
        v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method file has thrown an error.")).ToLocalChecked();
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Blame.file").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
      }
    } else {
      callback->Call(0, NULL, async_resource);
    }

        free(baton->out);
  }


  delete baton;
}

   
/*
   * @param Number index
     * @return BlameHunk  result    */
NAN_METHOD(GitBlame::GetHunkByindex) {
  Nan::EscapableHandleScope scope;

  if (info.Length() == 0 || !info[0]->IsNumber()) {
    return Nan::ThrowError("Number index is required.");
  }

// start convert_from_v8 block
  uint32_t from_index;
      from_index = (uint32_t)   info[0].As<v8::Number>()->Value();
// end convert_from_v8 block

  git_error_clear();

  { // lock master scope start
    nodegit::LockMaster lockMaster(
      /*asyncAction: */false
            ,
              Nan::ObjectWrap::Unwrap<GitBlame>(info.This())->GetValue()
    );

 const git_blame_hunk * result =     git_blame_get_hunk_byindex(
          Nan::ObjectWrap::Unwrap<GitBlame>(info.This())->GetValue()
,          from_index
    );

        // null checks on pointers
        if (!result) {
          return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
        }

      v8::Local<v8::Value> v8ConversionSlot;
// start convert_to_v8 block
    if (result != NULL) {
      v8::Local<v8::Array> owners = Nan::New<Array>(0);
            Nan::Set(owners, owners->Length(), info.This());
          v8ConversionSlot = GitBlameHunk::New(
        result,
        false
          , owners
       );
   }
  else {
    v8ConversionSlot = Nan::Null();
  }
  // end convert_to_v8 block
        return info.GetReturnValue().Set(scope.Escape(v8ConversionSlot));
  }
}
   
/*
   * @param Number lineno
     * @return BlameHunk  result    */
NAN_METHOD(GitBlame::GetHunkByline) {
  Nan::EscapableHandleScope scope;

  if (info.Length() == 0 || !info[0]->IsNumber()) {
    return Nan::ThrowError("Number lineno is required.");
  }

// start convert_from_v8 block
  size_t from_lineno;
      from_lineno = (size_t)   info[0].As<v8::Number>()->Value();
// end convert_from_v8 block

  git_error_clear();

  { // lock master scope start
    nodegit::LockMaster lockMaster(
      /*asyncAction: */false
            ,
              Nan::ObjectWrap::Unwrap<GitBlame>(info.This())->GetValue()
    );

 const git_blame_hunk * result =     git_blame_get_hunk_byline(
          Nan::ObjectWrap::Unwrap<GitBlame>(info.This())->GetValue()
,          from_lineno
    );

        // null checks on pointers
        if (!result) {
          return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
        }

      v8::Local<v8::Value> v8ConversionSlot;
// start convert_to_v8 block
    if (result != NULL) {
      v8::Local<v8::Array> owners = Nan::New<Array>(0);
            Nan::Set(owners, owners->Length(), info.This());
          v8ConversionSlot = GitBlameHunk::New(
        result,
        false
          , owners
       );
   }
  else {
    v8ConversionSlot = Nan::Null();
  }
  // end convert_to_v8 block
        return info.GetReturnValue().Set(scope.Escape(v8ConversionSlot));
  }
}
   
/*
     * @return Number  result    */
NAN_METHOD(GitBlame::GetHunkCount) {
  Nan::EscapableHandleScope scope;


  git_error_clear();

  { // lock master scope start
    nodegit::LockMaster lockMaster(
      /*asyncAction: */false
            ,
              Nan::ObjectWrap::Unwrap<GitBlame>(info.This())->GetValue()
    );

 uint32_t result =     git_blame_get_hunk_count(
          Nan::ObjectWrap::Unwrap<GitBlame>(info.This())->GetValue()
    );


      v8::Local<v8::Value> v8ConversionSlot;
// start convert_to_v8 block
     v8ConversionSlot = Nan::New<Number>( result);
  // end convert_to_v8 block
        return info.GetReturnValue().Set(scope.Escape(v8ConversionSlot));
  }
}
    // force base class template instantiation, to make sure we get all the
// methods, statics, etc.
template class NodeGitWrapper<GitBlameTraits>;
 